Home / 263,651.23-363,836.88-142,789.75

Finding the Fourth Proportional to 263,651.23, 363,836.88 and 142,789.75

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Solution

The fourth proportional to 263,651.23, 363,836.88 and 142,789.75 is: 197,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,651.23 : 363,836.88 = 142,789.75 : x
  2. Step 2: Convert to fraction form
    263,651.23/363,836.88 = 142,789.75/x
  3. Step 3: Cross multiply
    263,651.23x = 363,836.88 × 142,789.75
  4. Step 4: Simplify right side
    263,651.23x = 51,952,177,135.98
  5. Step 5: Solve for x
    x = 51,952,177,135.98/263,651.23
  6. Step 6: Final answer
    x = 197,048.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.